. >>> new concerns today about bald eagles after a new rule announced by the obama administration that's pitting environmentalists against each other. as justin gray reports this controversy all centers on wind power. >> reporter: few animals inspire the same emotion. the bald eagle, a national symbol, its image everywhere from the dollar bill to the white house. it's a bird that made a remarkable come back all the way from the bring of extinction. but now the biggest threat to the bird could be a green energy source of the future, wind power. the obama administration just announced new rules for windturbine facilities. 30-year permits are now available that allow for the accidental killing of bald eagles. it used to be killing a bald eagle was always a crime. the national wildlife federation say they're supporters of wind power, but not this new rule. >> you have to provide more certainty for the eagles and make sure they're safeguarded. >> reporter: a study found 85 eagles deaths tied to wind farms but say the number is probably much larger. they relied on companies to self-report thos